CrossOver Mac allows you to install many popular Windows applications and games on Mac OS X. CrossOver includes an easy to use, single click interface, which makes installing Windows software simple and fast. Once installed, your application integrates seamlessly in OS X. Just click and run your application directly from the OS X Finder. Clicking a Windows file or document ? including email attachments ? will launch the appropriate Windows program, allowing you to work on the files. Best of all, you do it all easily and affordably, without needing a Microsoft operating system license.